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Queen Mary University of LondonQueen Mary University of London

School of Engineering and Materials Science

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Designing a better raincoat

16 October 2018

Work lead by Lorenzo Botto and Rafael Castrejón-Pita has been featured in a piece on Physics Today.

Water-repellent clothing is designed to keep water droplets out while letting humidity escape.Hydrophobic fabric meets both requirements, but in striking a balance between them, it fails to repel water completely. When and how that failure occurs is the subject of a new study led by Lorenzo Botto and Rafael Castrejón-Pita at Queen Mary University of London. The researchers treated nylon fabric to make it hydrophobic, and then they used a high-speed camera to record how the droplets—made of water and glycerol—behaved as they struck the fabric.

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Updated by: Laura Crane-Brewer